How to mend ... Boiler Temperature Cold

my hot water keeps going cold?

I have a vaillant 828 combi boiler the central heating is fine, but when we turn the hot water on it does not ... [Read more]

Micron 40ff heating up then cooling right down before starting up again. ?

Please help I have a Micron 40ff with radiators with TRV's & a room stat, I replaced the old style PCB about 3... [Read more]

Saunier duvall boiler f24e - water pressure drops only when too cold?

For most of the year everything is ok with my boiler (saunier duvall thermaclassic 24e), but when its really r... [Read more]

Vaillant powermax ?

Am having a problem with my central heating. I can't seem to get the temperature of the house to be any more ... [Read more]

RAVENHEAT LS80 in consistent DHW + pressure probs?

I have a ravenheat LS80T and when i don't use the Heating the pressure stays perfect but when I use the heatin... [Read more]

Potterton performa 28i - heating won't come back on?

If my performa 28i is in heating/hot water mode and the hot water is used for any length of time ie, having a ... [Read more]

Gravity shower goes hot and cold?

Had a radiator removed by plumber and since then the shower runs hot and then very cold then very hot again. ... [Read more]

Ravenheat RFS84ET combi boiler runs hot and cold?

Hi, My Ravenheat RSF84ET combi boiler is in good working condition and heats water well and to a good tempe... [Read more]

Baxi combi 105E flame on and off problem?

When I turn on the boiler for either hot water or central heating the flame light will come on, the boiler wil... [Read more]

Ariston Microgenus 24 Combi Boiler?

When running the hot water the temperature goes hot then cold then hot then cold etc etc!!! Its only about 4 ... [Read more]

Having problems with Vokera 28 linea boiler - hot water off and on?

My problem is that my vokera 28 linea boiler is playing up. When you put on the hot tap the water comes out ve... [Read more]

cant regulate the water temperature.(really hot or cold)?

having problems with our shower when we use it cannot get the water temp right it is normally really hot or co... [Read more]

Worcester Bosch 24CDi Combi - intermittent hot water?

This boiler has worked perfectly, since I had it fitted 3 years ago. Recently, however, when trying to run ... [Read more]

How can i fix my Boiler. Ocean Alpha 240P?

When i run the hot water taps or have a shower all the radiators start to get warm as well and the water tempe... [Read more]

FER (Ferroli) combi boiler.sre no 0126L8129?

C/H working ok. Hot water temperature is not regulating and gets dangerously hot. Termister is clean and che... [Read more]

Should my combi boiler come on when the cold tap is used..??

I have recently had a Glowworm combi (30cxi) installed - everything appear to be working fine, but I have noti... [Read more]

Lukewarm radiators and fluctuating water temperature?

I have a Baxi 105e combi boiler. The problem started about 2 months ago. The boiler fires up as normal, but th... [Read more]

Turn on hot tap, boiler ignites, but cold water comes out?

I have Baxi combi 105e boiler, and the hot water has suddenly (worked fine earlier that morning) ceased to wor... [Read more]

Glowworm 30ci leaking?

A couple of days ago, I noticed that the heating was off. I used the internal control to fire it up, but there... [Read more]

hot water problems with ferroli f24?

i have a ferroli f24 boiler central heating is fine but when hot water is turned on water gets really hot then... [Read more]